Journal of Pharmaceutical Investigation

The Korean Society of Pharmaceutical Sciences and Technology (한국약제학회)
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Antioxidative Activity and Therapeutic Effect of the Hydrogel Preparations of Scutellariae Radix and Zingiberis Rhizoma on Dermatitis

황금 및 생강 복합 수용성겔 제제의 항산화 활성 및 피부염 치료효과

  • Published : 2006.08.21
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Abstract

This study was performed to investigate the effects of treatment for dermatitis using the herbal gel preparations. Scutellariae Radix(SR) and Zingiberis Rhizoma(ZR) were used for the purpose of herbal preparations. Baicalin, baicalein are the ingredients of SR, having biological effects like anti-inflammatory, anti-oxidative, anti-bacterial and antiallergic action. 6-Gingerol is one of the ingredients of ZR having biologicai effects like anti-inflammatory and analgesic action. The three types of hydrogels(SRE, SRH, SZH) were formulated with Carbopol 940, Labrasol, Triethanolamine etc. Baicalin was hydrolysed to baicalein by $\beta$-glucuronidase for the purpose to increase rate of skin permeation. Content of ingredients by HPLC determination, rate of skin permeation using Franz type diffusion cell, anti-oxidative activity for the free radical, hydroxyl radical, superoxide, anti-inflammatory by using carrageenan injection, efficacy on the dermatitis induced by 2,4-dinitro-chlorobenzene(DNCB) were experimented. Baicalein showed higher permeability than baicalin, so it is considered that baicalein was more suitable form than baicalin for transdermal absorption by its lipophilic property. In the anti-oxidative experiments, SZH gel was the most effective scavenging activity than the other gels in all experiments. In anti-inflammatory test, SRM and SZH gel more decreased edma rapidly than SRE gel. In case of using SZH gel, treatment period for the dermatitis was more declined than that of other gel groups. These results suggests that the SZH hydrogel could be suitable preparations for the treatment of dermatitis.

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References

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